Bromine Is the Only Nonmetal That Is a Liquid at Room

question 89

Multiple Choice

Bromine is the only nonmetal that is a liquid at room temperature. Consider the isotope bromine-81, . Select the combination which lists the correct atomic number, number of neutrons, and mass number, respectively.

• A) 35, 46, 81
• B) 35, 81, 46
• C) 81, 46, 35
• D) 46, 81, 35
• E) 35, 81, 116

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Definitions:

Alleles

Variants of the same gene that differ in their DNA sequence; these variations can lead to different observable physical or physiological traits.

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A retail store that primarily sells food, both fresh and packaged, along with various household goods.

Beg

To ask for something earnestly or humbly, often due to a lack of resources or as a last resort.